IP Library Granted Patent US 5,456,729
Granted Patent Utility
US 5,456,729 · App. 07/866,023

Sensitizer and use

Inventors: Fortunato Villamagna, Arun Chattopadhyay, Ming-Chen Lee
Patented Case View Patent ↗
Granted: Oct 10, 1995 Filed: Apr 9, 1992
Inventors
Fortunato Villamagna
Arun Chattopadhyay
Ming-Chen Lee
Assignee (at issue)
ICI Canada, Inc.

This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 5,456,729
App. No.
07/866,023
Filed
1992-04-09
Granted
1995-10-10
Kind
A